Patent · US Expired

.alpha.,.alpha.,.alpha.',.alpha.'-TETRAKIS(4-HYDROXY-3,5-DISUBSTITUTED PHENYL)XYLENE

US3941850A · kind A · utility

4Cited by
6References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 15, 1974
Grant dateMar 2, 1976
Priority date—
Expiry dateMar 15, 1994

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K15/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A new series of compounds defined broadly as .alpha.,.alpha.,.alpha.',.alpha.'-tetrakis(4-hydroxy-3,5-disubstituted phenyl)-xylenes, which are useful as antioxidants for organic materials normally subject to oxidative deterioration, is disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.